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Add devblock support in IW5

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This commit is contained in:
user4520
2021-10-17 13:39:31 +02:00
committed by Xenxo Espasandín
parent a015ab8708
commit b3f47d640d
12 changed files with 1907 additions and 1821 deletions
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23
gen/iw5/Makefile
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@ -1,11 +1,12 @@
generate: IW5
clean:
rm -rf ./parser.hpp
rm -rf ./parser.cpp
rm -rf ./lexer.hpp
rm -rf ./lexer.cpp
IW5: lexer.lpp parser.ypp
flex lexer.lpp
bison parser.ypp -Wcounterexamples
generate: IW5
clean:
rm -rf ./parser.hpp
rm -rf ./parser.cpp
rm -rf ./lexer.hpp
rm -rf ./lexer.cpp
IW5: lexer.lpp parser.ypp
flex lexer.lpp
bison parser.ypp -Wcounterexamples
mv lexer.hpp lexer.cpp parser.hpp parser.cpp ../../src/iw5/xsk/

21
gen/iw5/lexer.lpp
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@ -35,7 +35,12 @@ RGX_INT_DEC [0-9]+
RGX_DEFAULT (.|\n)
%x COMMENT_BLOCK_STATE
%x DEVELOPER_BLOCK_STATE
/*
this is an inclusive start condition, so rules not explicitly specifying "DEVBLOCK_ON_STATE" will also match
http://dinosaur.compilertools.net/flex/flex_11.html
*/
%s DEVBLOCK_ON_STATE
%x DEVBLOCK_OFF_STATE
%%
@ -54,10 +59,16 @@ RGX_DEFAULT (.|\n)
<COMMENT_BLOCK_STATE>\n { loc.lines(yyleng); loc.step(); }
<COMMENT_BLOCK_STATE>"*/" { BEGIN(INITIAL); }
"/#" { BEGIN(DEVELOPER_BLOCK_STATE); }
<DEVELOPER_BLOCK_STATE>.
<DEVELOPER_BLOCK_STATE>\n { loc.lines(yyleng); loc.step(); }
<DEVELOPER_BLOCK_STATE>"#/" { BEGIN(INITIAL); }
"/#" { BEGIN(devblock_mode == xsk::gsc::dev_blocks::on ? DEVBLOCK_ON_STATE : DEVBLOCK_OFF_STATE); }
/* ignore everything if we're in devblock-off state */
<DEVBLOCK_OFF_STATE>.
<DEVBLOCK_OFF_STATE>\n { loc.lines(yyleng); loc.step(); }
/* always exit devblock state when seeing #/ */
<DEVBLOCK_OFF_STATE,DEVBLOCK_ON_STATE>"#/" { BEGIN(INITIAL); }
/* for better errors */
<INITIAL>"*/" { throw iw5::parser::syntax_error(loc, "unmatched multiline comment end ('*/')"); }
<INITIAL>"#/" { throw iw5::parser::syntax_error(loc, "unmatched devblock end ('#/')"); }
"breakpoint" { return iw5::parser::make_BREAKPOINT(loc); }
"prof_begin" { return iw5::parser::make_PROFBEGIN(loc); }

6
gen/iw5/parser.ypp
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@ -24,16 +24,18 @@
%lex-param { yyscan_t yyscanner }
%lex-param { xsk::gsc::location& loc }
%lex-param { xsk::gsc::dev_blocks devblock_mode }
%parse-param { yyscan_t yyscanner }
%parse-param { xsk::gsc::location& loc }
%parse-param { xsk::gsc::program_ptr& ast }
%parse-param { xsk::gsc::dev_blocks devblock_mode }
%code requires
{
#include "iw5.hpp"
typedef void *yyscan_t;
#define YY_DECL xsk::gsc::iw5::parser::symbol_type IW5lex(yyscan_t yyscanner, xsk::gsc::location& loc)
#define YY_DECL xsk::gsc::iw5::parser::symbol_type IW5lex(yyscan_t yyscanner, xsk::gsc::location& loc, xsk::gsc::dev_blocks devblock_mode)
}
%code top
@ -42,7 +44,7 @@ typedef void *yyscan_t;
#include "parser.hpp"
#include "lexer.hpp"
using namespace xsk::gsc;
xsk::gsc::iw5::parser::symbol_type IW5lex(yyscan_t yyscanner, xsk::gsc::location& loc);
xsk::gsc::iw5::parser::symbol_type IW5lex(yyscan_t yyscanner, xsk::gsc::location& loc, xsk::gsc::dev_blocks devblock_mode);
}
%token BREAKPOINT "breakpoint"